pb?Paperback. Typically 7" by 4.25" (18 cm by 11 cm) or smaller, though trimming errors can cause them to sometimes be slightly (less than 1/4 extra inch) taller or wider/deeper.

Type: ANTHOLOGY

Notes:
Month of publication from 'S.F. Perry Rhodan Magazin 6/81'.
Translated by Eva Malsch
Only credit for the cover art is the agency Norma.
Same cover as "Bases de ovnis en la tierra" by "Douglas O'Brian" from 1979.